A 40-year-old Caucasian male presents to the clinic with relapsing and remitting fever, chills, nonproductive cough, dyspnea, headache, and malaise. He has noticed that the symptoms always occur...

A 40-year-old Caucasian male presents to the clinic with relapsing and remitting fever, chills, nonproductive cough, dyspnea, headache, and malaise. He has noticed that the symptoms always occur within one to two hours of working in his barn, and typically resolve one to two days later. You diagnose the patient with farmer’s lung. What type of hypersensitivity does he suffer from?

A. Immediate hypersensitivity (Type I)

B. Cytotoxic hypersensitivity (Type II)

C. Immune complex hypersensitivity (Type III)

D. Cellular (Delayed) hypersensitivity (Type IV)